a black powder, FeO, insoluble in water, soluble in acid.
Words nearby ferrous oxide
Origin of ferrous oxide
First recorded in 1870–75
Also called iron monoxide.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Scientific definitions for ferrous oxide
A black powder used to make steel, green heat-absorbing glass, and enamels. Chemical formula: FeO.
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